the house on a fiscal cliff agreement. and egypt's islamist president deployed troops outside the presidential palace amid growing protests against a referendum on a new constitution. and online we kick off a week- long look at how the developing world is tackling cancer. hari sreenivasan is here again. >> sreenivasan: more people die from cancer in low- and middle- income countries than from tuberculosis, hiv/aids, and malaria combined, but the fight against the deadly class of diseases has just begun there. see the first in our five-part series on our health page. and today our social security sage, larry kotlikoff, offers advice for outliving your money. that's on the business desk. and in our science roundup, find the perfect gift for your budding chemists and biologists, including a toy made from an owl's lunch. all that and more is on our web site, newshour.pbs.org. gwen? >> ifill: and that's the newshour for tonight. on tuesday, we'll look at the raging political turmoil in egypt. i'm gwen ifill. >> woodruff: and i'